manages CPU power usage to maintain system power consumption below 65 W
•
is designed for use with 65 W AC-DC adapters
•
NOTE
It is recommended that you disable this feature (via BIOS option) when using an AC-DC
adapter greater than 65 W.
For information about
Power supply considerations
2.2.4.4
Front Panel Header (2.0 mm Pitch)
This section describes the functions of the front panel header. Table 29 lists the signal names of
the front panel header. Figure 16 is a connection diagram for the front panel header.
Table 29. Front Panel Header (2.0 mm Pitch)
Pin
Signal Name
1
HDD_POWER_LED
3
HDD_LED#
5
GROUND
7
RESET_SWITCH#
9
+5V_DC
Figure 16. Connection Diagram for Front Panel Header (2.0 mm Pitch)
Description
Pin
Pull-up resistor (750 Ω)
2
to +5V
[Out] Hard disk activity
4
LED
Ground
6
[In] Reset switch
8
Power
10
Refer to
Section 2.5.1, page 68
Signal Name
Description
POWER_LED_MAIN
[Out] Front panel LED (main
color)
POWER_LED_ALT
[Out] Front panel LED (alt
color)
POWER_SWITCH#
[In] Power switch
GROUND
Ground
Key
No pin
Technical Reference
59